Finding the Fourth Proportional to 124,857.75, 187,286.63 and 37,305.75
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Solution
The fourth proportional to 124,857.75, 187,286.63 and 37,305.75 is: 55,958.63
Step by Step Solution
- Step 1: Write the proportion equation
124,857.75 : 187,286.63 = 37,305.75 : x - Step 2: Convert to fraction form
124,857.75/187,286.63 = 37,305.75/x - Step 3: Cross multiply
124,857.75x = 187,286.63 × 37,305.75 - Step 4: Simplify right side
124,857.75x = 6,986,868,010.59 - Step 5: Solve for x
x = 6,986,868,010.59/124,857.75 - Step 6: Final answer
x = 55,958.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.